Finding the Fourth Proportional to 2,789,975.36, 3,850,586.21 and 1,702,878.66
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Solution
The fourth proportional to 2,789,975.36, 3,850,586.21 and 1,702,878.66 is: 2,350,229.03
Step by Step Solution
- Step 1: Write the proportion equation
2,789,975.36 : 3,850,586.21 = 1,702,878.66 : x - Step 2: Convert to fraction form
2,789,975.36/3,850,586.21 = 1,702,878.66/x - Step 3: Cross multiply
2,789,975.36x = 3,850,586.21 × 1,702,878.66 - Step 4: Simplify right side
2,789,975.36x = 6,557,081,089,756.48 - Step 5: Solve for x
x = 6,557,081,089,756.48/2,789,975.36 - Step 6: Final answer
x = 2,350,229.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.